Science

रासायनिक पदार्थो के व्यापारिक नाम और रासायनिक सूत्र

रासायनिक पदार्थो के व्यापारिक नाम और रासायनिक सूत्र क्र. सं. व्यापारिक नाम रासायनिक नाम रासायनिक सूत्र 1 साधारण लवण सोडियम क्लोराइड NaCl 2 खाने का सोडा (बैकिग सोडा) सोडियम बाइकार्बोनेट NaHCO₃ 3 धोवन सोडा(वाशिंग सोडा) सोडियम कार्बोनेट Na₂CO₃•10H₂O 4 कास्टिक सोडा सोडियम हाइड्रॉक्साइड NaOH 5 चिली सॉल्टपीटर सोडियम नाइट्रेट NaNO₃ 6 सुहागा बोरेक्स Na₂B₄O₇•10H₂O 7 सोडा

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Science, Static GK, Study Materials

List Of Famous Inventions And Their Inventors

Today i am publishing a very important topic for all compitative exams. Topic name is “List Of Famous Inventions And Their Inventors”. There are many things we have seen in our life for eg Television, Telephone, Mobile Phone, Washing Machine etc… But we don’nt know who is the person which is invented these items which

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Science, Static GK, Study Materials

Vitamin Sources and Diseases caused by the deficiency

Vitamin Sources and Diseases caused by the deficiency Vitamins– vitamins was invented by Sir F.G. Hopkins. The term vitamin was coined by Funk. Vitamins are organic compound required in minute quantities. No calorie is obtained from it, but it is very important in regulating chemical reactions in metabolism of the body. On the basis of

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Science

S.I. Units of Physical Quantity

S.I. Units of Physical Quantity Unit-The chosen standard used for measuring a physical quantity is called unit. Unit should be: Well defined Easy to reproduce Easy to compare Internationally accepted Independent of changes in physical conditions Units are of two types: Fundamental Unit : Are expressed in terms of standard units. There are seven (7)

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Science

List of Glossary of Zoology Terms and Definition

List of Glossary of Zoology Terms and Definition Biology is branch of Science in which living beings are studied.the term of biology was first coined by Lamarck and Treviranus in the year 1801. Biology has two main branches- 1. Botany-Study of different aspects of plants. Theophrastus is known as father of Botany. 2. Zoology– Study

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